The Nikon 1 V3 is 11.1 mm narrower, 4.1 mm shorter, 1.1 mm thinner and 12 g heavier than the Olympus PEN E-P3.
| Olympus PEN E-P3 | Nikon 1 V3 | |
|---|---|---|
| Size (W × H × D) | 122 × 69.1 × 34.3 mm | 110.9 × 65 × 33.2 mm |
| Weight | 369 g | 381 g |
| Lens | Micro Four Thirds | Nikon 1 |
| Sensor | Four Thirds | — |
| Announced | 2011 | 2014 |